Patents by Inventor Robert Willerton Fleming

Robert Willerton Fleming has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4112103
    Abstract: (+,-)-cis-.alpha.[3-(2,6-Dimethyl-1-piperidinyl)propyl]-.alpha.-phenyl-2-py ridinemethanol and acid-addition salts. The compounds are pharmacological agents, especially antiarrhythmic agents. The compounds can be produced by reacting pyridyllithium with cis-.gamma.-(2,6-dimethylpiperidino)butyrophenone, or by reacting cis-1-(3-lithiopropyl)-2,6-dimethylpiperidine with 2-benzoylpyridine. Pharmaceutical compositions comprising (+,-)-cis-.alpha.-[3-(2,6-dimethyl-1-piperidinyl)propyl]-.alpha.-phenyl-2- pyridinemethanol and acid-addition salts thereof and methods for treating cardiac arrhythmia using said pharmaceutical compositions are also disclosed.
    Type: Grant
    Filed: February 25, 1977
    Date of Patent: September 5, 1978
    Assignee: Parke, Davis & Company
    Inventor: Robert Willerton Fleming
  • Patent number: 4031101
    Abstract: cis-2,6-Dimethyl-.alpha.,.alpha.-diphenyl-1-piperidinebutanol; and acid-addition salts. The compounds are pharmacological agents, especially antiarrythmic agents. The compounds can be produced by reacting phenyl lithium or phenylmagnesium halide with cis-.gamma.-(2,6-dimethylpiperidino)butyrophenone or a lower alkyl ester of cis-2,6-dimethyl-1-piperidinebutyric acid; by reacting .alpha.-(3-halopropyl)-.alpha.-phenylbenzyl alcohol with cis-2,6-dimethylpiperidine, or by reacting cis-1- (3-lithiopropyl)-2,6-dimethylpiperidine with benzophenone.
    Type: Grant
    Filed: April 15, 1976
    Date of Patent: June 21, 1977
    Assignee: Parke, Davis & Company
    Inventor: Robert Willerton Fleming